A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.
Classification: Nuts of iron or steel
NSN 6610-01-353-9326
NSN 4140-01-529-5758
NSN 2925-01-354-1752
NSN 5945-00-204-0041
NSN 5996-01-398-0037
NSN 6150-00-009-2652
NSN 6240-01-252-6599
NSN 5999-01-170-9895
NSN 5950-01-480-9164
NSN 5910-00-184-8249
NSN 5905-01-007-2537
NSN 6240-01-103-9884